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Weather in Cardiff 10 Days – Met Office Forecast and Hourly Details

Freddie George Thompson Morgan • 2026-04-02 • Reviewed by Hanna Berg

Cardiff faces a predominantly mild and changeable period over the coming ten days, with temperatures settling between 11°C and 16°C for daytime highs and nighttime lows dipping to between 5°C and 9°C. The Met Office anticipates sunny intervals interspersed with light rain across the Welsh capital, though forecast confidence diminishes beyond the five-day mark.

Residents and visitors planning outdoor activities around Cardiff Bay or the city centre should prepare for typical spring variability. While immediate forecasts offer precise hourly data, extended outlooks require cautious interpretation as atmospheric patterns evolve.

Data from the UK Met Office and AccuWeather indicates a comprehensive 10-day outlook, including temperature ranges in Celsius, precipitation probabilities, and wind conditions specific to the Cardiff City F.C. area.

What is the 10-day weather forecast for Cardiff?

Current Snapshot

Today: 12°C max, sunny. Overnight: 8°C. Winds 8-14mph.

10-Day Range

Highs: 11-18°C. Lows: 5-10°C. One day may peak at 18°C.

Precipitation Outlook

Light rain expected Friday. Chance ranges 20-30% today, increasing mid-period.

Wind Trends

Consistent westerly breezes at 8-14mph, limiting wind chill factors throughout.

  • Temperatures remain mild for the season, peaking at 18°C on one day during the extended outlook.
  • Light rain and showers dominate Friday’s forecast, with clearer skies anticipated for Thursday.
  • Overnight lows rarely drop below 5°C, indicating frost-free conditions.
  • Forecast accuracy decreases significantly after day five due to natural atmospheric variability.
  • Sunny intervals will break through cloud cover on multiple days, particularly mid-week.
  • Winds remain moderate, rarely exceeding 14 mph, limiting wind chill factors.
  • Air quality currently reads as fair, posing no significant health concerns.
Day High °C Low °C Conditions Precip %
Thu (Today) 12 8 Sunny 20-30
Fri 13 7 Light rain 50-60
Sat 13 6 Clouds breaking 30
Sun 13 6 Sun and clouds 20
Mon 13 7 Passing showers 40
Tue 12 6 Cloudy 20
Wed 13 7 Partly sunny 20
Thu 14 7 Afternoon rain 60
Fri 12 6 Morning rain 50
Sat 13 6 Mostly sunny 20

What is the weather in Cardiff today and tomorrow?

Thursday delivers the brightest conditions of the immediate period. The Met Office confirms sunny skies dominating the Cardiff City F.C. area with temperatures climbing to 12°C. Hourly tracking reveals a stable progression from 8°C overnight through 9°C at 9am to 11°C by midday, with precipitation chances remaining slim at 20-30%.

Friday’s Hourly Breakdown

Friday introduces light rain across the region, though temperatures peak slightly higher at 13°C. The Met Office provides granular hourly data showing a chilly dawn at 6°C around 6am, rapidly warming to 16°C by mid-afternoon before cooling to 8°C by 11pm.

Morning Commute Alert

Temperatures start at 6°C around dawn on Friday, rising rapidly to 16°C by mid-afternoon. Pack layered clothing if travelling between 6am and 9am, as the feels-like temperature may remain closer to 6°C despite afternoon warmth.

What is the 14-day or longer weather forecast for Cardiff?

Extended Outlook

Beyond the immediate seven days, the Met Office 10-14 day outlook suggests maximum temperatures could reach 18°C on one particular day, with other days maintaining a steady 11-15°C range. Minimums settle between 5-10°C. The pattern continues to alternate between light rain episodes and sunny intervals, characteristic of maritime spring weather.

Forecast Confidence

Reliability decreases substantially beyond five days. Specific timing of rain bands and exact temperature peaks for days 6-10 remain uncertain and subject to revision as weather models assimilate new data.

Regional Consistency

Bridgend, situated near Cardiff, mirrors these patterns closely, reporting cloudy 13°C conditions today and sunny 11°C intervals Thursday. This validates the regional consistency of the forecast across South Wales.

Air Quality Status

Current monitoring indicates fair air quality across Cardiff, with no significant pollution alerts affecting outdoor activities during this forecast period.

How does the weather develop day by day?

  1. Thursday: Sunny skies dominate with a peak of 12°C and light winds. Met Office
  2. Friday: Morning rain arrives, clearing to cloudy conditions by afternoon; high of 13°C. Met Office
  3. Saturday: Low clouds gradually break to reveal clearer spells, maintaining 13°C. AccuWeather
  4. Sunday: Mixed conditions with alternating sun and clouds; temperatures hold at 13°C. AccuWeather
  5. Monday: Passing showers possible throughout the day, with lows around 7°C. AccuWeather
  6. Tuesday: Overcast skies dominate, slightly cooler at 12°C maximum. AccuWeather
  7. Wednesday: Partly sunny conditions return, recovering to 13°C. AccuWeather
  8. Thursday (next): Afternoon rain develops, with temperatures reaching 14°C. AccuWeather
  9. Friday (next): Morning rain clears to intermittent showers, cooling to 12°C. AccuWeather
  10. Saturday (next): Return to mostly sunny conditions with a high of 13°C. AccuWeather

What do forecasters know for certain?

Established Information Information That Remains Unclear
Today will reach 12°C with sunny conditions. Exact timing of rain bands on days 7-10.
Friday will see light rain and a high of 13°C. Whether the 18°C peak will occur on day 9 or 10.
Nighttime temperatures will stay above 5°C throughout. Precise precipitation percentages beyond day 3.
Air quality remains fair across the region. Specific storm developments beyond 14 days.

What factors influence Cardiff’s spring weather?

Cardiff’s position on the Bristol Channel exposes the city to maritime Atlantic influences, creating the mild, damp conditions typical of Welsh spring weather. The urban heat island effect around the city centre often keeps overnight temperatures slightly higher than surrounding rural areas, contributing to the 5-9°C minimums observed in this forecast.

For those planning outdoor activities, the fluctuating conditions make it advisable to check updates regularly. Visitors exploring the Nature Reserve Near Me – Best Free UK RSPB Sites and Walks should note that while temperatures remain moderate, waterproof layers remain essential for Friday and next Thursday’s precipitation.

Which authorities provide this forecast data?

The UK Met Office operates as the government’s national meteorological service, providing the primary data for Cardiff’s immediate and extended forecasts. BBC Weather and AccuWeather offer supplementary perspectives, with AccuWeather noting that data beyond seven days reflects broader pattern trends rather than precise daily predictions.

“Tonight will see cloudy conditions with little rain late, dropping to 6°C, while tomorrow brings little morning rain and cloudy skies with a high of 13°C.”

AccuWeather Forecast Summary

“Extended outlooks indicate maximum temperatures of 18°C possible on one day, with others ranging 11-15°C featuring light rain and sunny intervals.”

Met Office 10-14 Day Outlook

What are the essential points for Cardiff’s 10-day outlook?

Cardiff will experience mild spring weather ranging from 11°C to 18°C, with Friday bringing the week’s most significant rain. While short-term predictions carry high confidence, planning beyond five days requires flexibility. For extended planning, consult the BBC Weather 14 Day Forecast – Access, Accuracy Guide to understand forecast reliability thresholds.

Frequently Asked Questions

What does the Met Office predict for Cardiff’s 10-day weather?

The Met Office provides detailed 7-day forecasts with extended 10-14 day outlooks showing temperatures between 11-18°C and mixed conditions. Specific daily breakdowns beyond day 7 feature lower confidence intervals.

Does BBC Weather offer a 14-day forecast for Cardiff?

BBC Weather provides extended forecasts for Cardiff through their digital platforms. The BBC Weather 14 Day Forecast – Access, Accuracy Guide explains their methodology and reliability metrics.

What Celsius temperatures will Cardiff see over 10 days?

Daytime highs range from 12°C to 18°C, with nighttime lows between 5°C and 9°C. Most days hover around 13°C, with one day potentially reaching 18°C.

Is hourly weather data available for Cardiff?

Yes, the Met Office provides hourly granularity for the immediate 48 hours. Friday’s forecast shows temperatures rising from 6°C at 6am to 16°C by 3pm.

How reliable is a 21-day forecast for Cardiff?

Twenty-one day forecasts offer minimal reliability for specific conditions. While general trends may emerge, precise daily predictions beyond 14 days remain speculative.

What is the current air quality in Cardiff?

Current air quality readings indicate fair conditions according to AccuWeather monitoring. No significant pollution alerts affect the region during this period.

Freddie George Thompson Morgan

About the author

Freddie George Thompson Morgan

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